11.   A cool and moist air mass will spread into the Northwest, bringing spotty showers.

12.   A disturbance will bring a few showers to the Southwest while dry conditions cover most of the Northwest.

13.   A giant whirlpool of chilly air will cross the West Coast, bringing scattered showers to California.

14.   A low pressure system will swirl into the Northwest, bringing valley showers along with mountain snow.

15.   A new low pressure system will form in the eastern Plains, bringing snow showers to the eastern Dakotas and Minnesota.

16.   A surge of moisture will cross the Northwest, bringing showers to the Pacific coast and plenty of clouds to interior sections.

17.   A warm front pushing into the Pacific Northwest will bring showers west of the Cascades from central Oregon to the Olympic peninsula.

18.   A weak disturbance intercepting a flow of humid air from the Gulf will bring scattered showers to Texas and the lower Mississippi Valley.

19.   A small disturbance along an extension of the front will bring chilly showers to parts of Pennsylvania and southern New England.

20.   A vigorous disturbance will bring scattered showers to southern Arizona and the deserts of southeast California.